1 files changed, 91 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0386-drm-amdgpu-add-bo-list-copy.patch b/common/recipes-kernel/linux/files/0386-drm-amdgpu-add-bo-list-copy.patch
new file mode 100644
index 00000000..1c3481cb
--- /dev/null
+++ b/common/recipes-kernel/linux/files/0386-drm-amdgpu-add-bo-list-copy.patch
@@ -0,0 +1,91 @@
+From 372bc1e18ca961ef51997df235e822aed6283726 Mon Sep 17 00:00:00 2001
+From: Chunming Zhou <david1.zhou@amd.com>
+Date: Tue, 21 Jul 2015 13:47:05 +0800
+Subject: [PATCH 0386/1050] drm/amdgpu: add bo list copy
+
+Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
+Acked-by: Christian K?nig <christian.koenig@amd.com>
+Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu.h         |  3 ++
+ drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c | 50 +++++++++++++++++++++++++++++
+ 2 files changed, 53 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+index 6bf16d9..cfc6c78 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+@@ -1062,6 +1062,9 @@ struct amdgpu_bo_list {
+ struct amdgpu_bo_list *
+ amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);
+ void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
++void amdgpu_bo_list_copy(struct amdgpu_device *adev,
++			 struct amdgpu_bo_list *dst,
++			 struct amdgpu_bo_list *src);
+ void amdgpu_bo_list_free(struct amdgpu_bo_list *list);
+ 
+ /*
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
+index f82a2dd..4d27fa1 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
+@@ -166,6 +166,56 @@ void amdgpu_bo_list_put(struct amdgpu_bo_list *list)
+ 	mutex_unlock(&list->lock);
+ }
+ 
++void amdgpu_bo_list_copy(struct amdgpu_device *adev,
++			 struct amdgpu_bo_list *dst,
++			 struct amdgpu_bo_list *src)
++{
++	struct amdgpu_bo_list_entry *array;
++	struct amdgpu_bo *gds_obj = adev->gds.gds_gfx_bo;
++	struct amdgpu_bo *gws_obj = adev->gds.gws_gfx_bo;
++	struct amdgpu_bo *oa_obj = adev->gds.oa_gfx_bo;
++
++	bool has_userptr = false;
++	unsigned i;
++
++	array = drm_calloc_large(src->num_entries, sizeof(struct amdgpu_bo_list_entry));
++	if (!array)
++		return;
++	memset(array, 0, src->num_entries * sizeof(struct amdgpu_bo_list_entry));
++
++	for (i = 0; i < src->num_entries; ++i) {
++		memcpy(array, src->array,
++		       src->num_entries * sizeof(struct amdgpu_bo_list_entry));
++		array[i].robj = amdgpu_bo_ref(src->array[i].robj);
++		if (amdgpu_ttm_tt_has_userptr(array[i].robj->tbo.ttm)) {
++			has_userptr = true;
++			array[i].prefered_domains = AMDGPU_GEM_DOMAIN_GTT;
++			array[i].allowed_domains = AMDGPU_GEM_DOMAIN_GTT;
++		}
++		array[i].tv.bo = &array[i].robj->tbo;
++		array[i].tv.shared = true;
++
++		if (array[i].prefered_domains == AMDGPU_GEM_DOMAIN_GDS)
++			gds_obj = array[i].robj;
++		if (array[i].prefered_domains == AMDGPU_GEM_DOMAIN_GWS)
++			gws_obj = array[i].robj;
++		if (array[i].prefered_domains == AMDGPU_GEM_DOMAIN_OA)
++			oa_obj = array[i].robj;
++	}
++
++	for (i = 0; i < dst->num_entries; ++i)
++		amdgpu_bo_unref(&dst->array[i].robj);
++
++	drm_free_large(dst->array);
++
++	dst->gds_obj = gds_obj;
++	dst->gws_obj = gws_obj;
++	dst->oa_obj = oa_obj;
++	dst->has_userptr = has_userptr;
++	dst->array = array;
++	dst->num_entries = src->num_entries;
++}
++
+ void amdgpu_bo_list_free(struct amdgpu_bo_list *list)
+ {
+ 	unsigned i;
+-- 
+1.9.1
+